Veneers are a thin shell, somewhat like contact lenses, that go over the teeth. They are made to change the shape and the color of the teeth. The veneers are put right over the tooth so that the tooth is not reduced in anyway. It is smoothed right around the gum line. There is generally no irritation so there is no need for numbing or drilling on the teeth. Once they are bonded onto the teeth, they become hard and last a long time. Doctor Guy Lewis has patients from 30 years ago that still have great veneers.